Britney Spears
From Tardis Wiki, the free Doctor Who reference
Britney Spears was a 21st century human singer. Her song "Toxic"; a "traditional ballad", was played on Lady Cassandra's "iPod". (DW: The End of the World) Irving Braxiatel once asked Jason Kane to buy him some Britney Spears CDs while on a trip to Earth in the 21st century. (BFBS: A Mutual Friend)
